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5.
Communication Software Guideline
How to Connect Windows Control Program by RS232 Interface
VSP 198CVS User Manual 77
Click [Device Manager] ―+‖ on the left, check the COM number, as following,
COM1 is offered.
Remember the COM you are using and then run the control software, find
[Communication] option. In default, first time user have to click
button, as following: